Comparable stake leader
Marilyn Elson
SEC ownership of Nexalin Technology, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001527352.
Disclosed value leader
Marilyn Elson
Comparable rows
0/32
Latest evidence
31 Mar 2026
- Public ticker
- NXL on Nasdaq
- Parsed ownership sources
- 3/4/5 and 13F
- Largest SEC-reported holder
- Marilyn Elson
- Latest parsed ownership date
- 31 Mar 2026
- Issuer CIK
- 0001527352
- Issuer location
- Houston, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Nexalin Technology, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Marilyn Elson
Disclosed value leader
Marilyn Elson
Comparable rows
0/32
Latest evidence
31 Mar 2026
3/4/5
13F
Highest disclosed value: $1,460,445
32 rows are not safely comparable across share classes.
Showing 1-8 of 32 holder rows.
Quick read
Marilyn Elson has the largest disclosed position value at $1.46M.
0 of 32 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Marilyn Elson's linked filing trail.
Disclosed position value
Top 5
Marilyn Elson
$1.46M
Leonard Osser
$1.31M
Ben Hu
$305.4K
Rick Morad
$190.5K
David Owens
$154.9K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 32 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Marilyn Elson |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
$1,460,445
2,084,094 shares
mixed-class rows
|
-$403 | 10 Sep 2025 |
| Leonard Osser |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$1,311,047
1,618,577 shares
|
— | 29 Sep 2025 |
| Ben Hu |
3/4/5
Director
|
—
mixed-class rows
|
$305,446
477,095 shares
mixed-class rows
|
— | 19 Dec 2025 |
| Rick Morad |
3/4/5
Director
|
—
class O/S missing
|
$190,541
170,126 shares
|
— | 16 Sep 2022 |
| David Owens |
3/4/5
Chief Medical Officer, Director
|
—
mixed-class rows
|
$154,914
2,676,061 shares
mixed-class rows
|
— | 19 Dec 2025 |
| PEAK6 LLC |
13F
Company
|
—
class O/S missing
|
$133,907
384,460 shares
|
— | 31 Mar 2026 |
| Alan Kazden |
3/4/5
Director
|
—
mixed-class rows
|
$96,867
482,090 shares
mixed-class rows
|
— | 19 Dec 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
class O/S missing
|
$86,042
247,037 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$403.
Buys
$0
Insiders: 0
Sells
$403
Insiders: 1
Net
-$403
Shares: -23,150
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 23,150
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 23,150 | $0 | $403 | -$403 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-10 of 10 reporting-owner rows connected to Nexalin Technology, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
10
Largest Forms 3/4/5 holder
Marilyn Elson
Net 12M change
-$403
Latest report
19 Dec 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Marilyn Elson | 10%+ Owner | $1,460,445 | -$403 | -0.03% | Mixed | 10 Sep 2025 |
| Leonard Osser | 10%+ Owner | $1,311,047 | Mixed | 29 Sep 2025 | ||
| Ben Hu | Director | $305,446 | Mixed | 19 Dec 2025 | ||
| Rick Morad | Director | $190,541 | Mixed | 16 Sep 2022 | ||
| David Owens | Chief Medical Officer, Director | $154,914 | Mixed | 19 Dec 2025 | ||
| Alan Kazden | Director | $96,867 | Mixed | 19 Dec 2025 | ||
| Carolyn Hamby Shelton | Sr. VP - Quality - Regulatory | $66,000 | Filing P/S | 19 Dec 2025 | ||
| Leslie Bernhard | Director | $47,346 | Mixed | 30 Sep 2024 | ||
| Justin van Fleet | Cfo | $24,750 | Mixed | 19 Dec 2025 | ||
| Mark White | CEO, Director | Mixed | 19 Dec 2025 |
Recent insider transactions for Nexalin Technology, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Mark White | NXL | Stock Option (right to buy)* | Award | 72.1% | 1,000,000 | 2,387,024 | 19 Dec 2025 | Direct | ||
| Justin van Fleet | NXL | Stock Option (right to buy)* | Award | 76.7% | 100,000 | 230,435 | 19 Dec 2025 | Direct | ||
| David Owens | NXL | Stock Option (right to buy)* | Award | 67.4% | 1,000,000 | 2,484,809 | 19 Dec 2025 | Direct | ||
| Carolyn Hamby Shelton | NXL | Stock Option (right to buy)* | Award | 90.4% | 100,000 | 210,620 | 19 Dec 2025 | Direct | ||
| Ben Hu | NXL | Stock Option (right to buy)* | Award | 100,000 | 100,000 | 19 Dec 2025 | Direct | |||
| Alan Kazden | NXL | Stock Option (right to buy)* | Award | 38.1% | 100,000 | 362,500 | 19 Dec 2025 | Direct | ||
| Leonard Osser | NXL | Common Stock | Award | 5.43% | 83,333 | 1,618,577 | 29 Sep 2025 | Direct | ||
| David Owens | NXL | Common stock | Award | 23.6% | 36,459 | 191,252 | 29 Sep 2025 | Direct | ||
| Ben Hu | NXL | Common stock | Award | 10.7% | 36,459 | 377,095 | 29 Sep 2025 | Direct | ||
| Alan Kazden | NXL | Common stock | Award | 43.9% | 36,459 | 119,590 | 29 Sep 2025 | Owned by Alan and Natalie Kazden Family Trust | ||
| Carolyn Hamby Shelton | NXL | Stock Option (right to buy) | Award | 22.1% | 20,000 | 110,620 | 12 Sep 2025 | Direct | ||
| David Owens | NXL | Stock Option (right to buy) | Award | 25.6% | 303,125 | 1,484,809 | 12 Sep 2025 | Direct | ||
| Marilyn Elson | NXL | Common Stock Warrants | Sale | -17% | $403 | $0.0174 | -23,150 | 112,850 | 10 Sep 2025 | Direct |
| Marilyn Elson. | NXL | Stock Option (right to buy) | Award | 220.6% | 300,000 | 436,000 | 17 Jul 2025 | Direct |
* marks a reported price that did not pass the local price check.